101 lines
2.6 KiB
ObjectPascal
101 lines
2.6 KiB
ObjectPascal
unit U_DeviceJkDll;
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interface
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uses
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Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
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System.Classes, Vcl.Graphics,
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Vcl.Controls, Vcl.Forms, Vcl.Dialogs, cxGraphics, cxControls, cxLookAndFeels,
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cxLookAndFeelPainters, cxClasses, dxLayoutContainer,
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dxLayoutControl, dxLayoutcxEditAdapters, cxContainer, cxEdit, Vcl.StdCtrls,
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cxTextEdit, Vcl.ExtCtrls, dxLayoutControlAdapters, U_BaseList, Data.DB,
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Data.Win.ADODB, Vcl.Buttons, Vcl.ComCtrls, Vcl.ToolWin, cxImage, cxDBEdit,
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cxStyles, cxCustomData, cxData, cxDataStorage, cxNavigator,
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dxDateRanges, dxScrollbarAnnotations, cxDBData, dxBarBuiltInMenu, cxPC,
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cxGridLevel, cxGridCustomTableView, cxGridTableView, cxGridDBTableView,
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cxGridCustomView, cxGrid, cxMemo, cxRichEdit, U_frameBads,
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Datasnap.DBClient, RM_Common, RM_Class, RM_GridReport,
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cxCheckBox, cxMaskEdit, cxDropDownEdit, Vcl.Menus, cxButtonEdit, RM_Dataset,
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cxGeometry, dxFramedControl, dxPanel, U_KeyBoard, cxGroupBox,
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cxGridCustomPopupMenu, cxGridPopupMenu, MovePanel;
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procedure OpenCom(mHandle:Thandle;DllName: string;var fIsCommopen:boolean);
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procedure CloseCom(DllName: string);
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implementation
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procedure OpenCom(mHandle:Thandle;DllName: string;var fIsCommopen:boolean);
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type
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TMyFunc = function(fhandle: hwnd; sCommName: PAnsiChar; IntTime: Integer;
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IsMessage: Integer): hwnd; stdcall;
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var
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Tf: TMyFunc;
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Tp: TFarProc;
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Th: Thandle;
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newh: hwnd;
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begin
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Th := LoadLibrary(pchar(trim(DllName)));
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if Th > 0 then
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begin
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try
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Tp := GetProcAddress(Th, 'CommOpen');
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if Tp <> nil then
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begin
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Tf := TMyFunc(Tp);
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newh := Tf(mHandle, 'Comm1', 500, 1);
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if newh < 1 then
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begin
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Application.MessageBox(pchar('打开串口失败！'), '提示');
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end
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else
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fIsCommopen := true;
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end
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else
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begin
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fIsCommopen := false;
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end;
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finally
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// FreeLibrary(Th);
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end;
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end
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else
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begin
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fIsCommopen := false;
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Application.MessageBox(pchar('找不到 ' + trim(DllName) + ' 文件！'), '提示');
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end;
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end;
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procedure CloseCom(DllName: string);
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type
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TMyFunc = function(sCommName: PAnsiChar): hwnd; stdcall;
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var
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Tf1: TMyFunc;
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Tp1: TFarProc;
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Th1: Thandle;
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newh1: hwnd;
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begin
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Th1 := LoadLibrary(pchar(trim(DllName)));
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if Th1 > 0 then
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begin
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try
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Tp1 := GetProcAddress(Th1, 'CommClose');
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if Tp1 <> nil then
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begin
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Tf1 := TMyFunc(Tp1);
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newh1 := Tf1('Comm1');
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end
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else
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begin
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end;
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finally
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// FreeLibrary(Th1);
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end;
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end
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else
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begin
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Application.MessageBox(pchar('找不到 ' + trim(DllName) + ' 文件！'), '提示');
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end;
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end;
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end.
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