Delphi 我的代码之窗体移动

技术交流,DH讲解. 这个工具是好早好早以前写的,我这个喜欢在家边看电影边写写代码或者看电子书,所以经常会将网页移到屏幕的左上角或者右上角,而且要置顶.所以就写了这样一个工具,这个工具主要是对句柄的操作,还有就是窗体样式以及几个API的例子,比较基础. 整个文件在 here(Can't Input Chinese:() 下面把代码贴出来,希望有什么不懂的,结合MSDN,OK? Var
Form2: TForm2;
H: Cardinal = 0;
Implementation
{$R *.dfm}
//------------------------------------------------------------------------------
// 取得鼠标所在处窗体的句柄
//------------------------------------------------------------------------------
Procedure TForm2.BtnGetHandleClick(Sender: TObject);
Var
Pt: TPoint;
Begin
If GetCursorPos(Pt) Then
H := WindowfromPoint(Pt)
Else
H := 0;
End;
//------------------------------------------------------------------------------
// 将窗体置顶
//------------------------------------------------------------------------------
Procedure TForm2.BtnTopMostClick(Sender: TObject);
Var
Rc: TRect;
Begin
If H = 0 Then
Exit;
If GetWindowRect(H, Rc) Then
SetWindowPos(H, HWND_TOPMOST, Rc.Left, Rc.Top, Rc.Right - Rc.Left,
Rc.Bottom - Rc.Top, SWP_SHOWWINDOW)
End;
//------------------------------------------------------------------------------
// 去掉窗体的边框
//------------------------------------------------------------------------------
Procedure TForm2.BtnNoBorderClick(Sender: TObject);
Var
WsStyle: Cardinal;
Begin
If H = 0 Then
Exit;
WsStyle := GetWindowLong(H, GWL_STYLE);
WsStyle := WsStyle And (Not WS_BORDER) And (Not WS_CAPTION);
SetWindowLong(H, GWL_STYLE, WsStyle);
End;
//------------------------------------------------------------------------------
// 移动窗体
//------------------------------------------------------------------------------
Procedure TForm2.BtnMoveClick(Sender: TObject);
Var
Dx, Dy: Integer;
Rc: TRect;
Begin
If H = 0 Then
Exit;
Dx := StrToIntDef(TxtDx.Text, 0);
Dy := StrToInt