【文件属性】：
文件名称：类似QQ,MSN的窗口震动效果
文件大小：6KB
文件格式：RAR
更新时间：2014-04-15 15:27:19
类似QQ,MSN的窗口震动效果
类似QQ,MSN的窗口震动效果,里面有源代码。
unit ShakeWindow;
interface
uses
Classes, Windows, Forms;
const
Max_PTCount = 40;
type
TShakeThread = class(TThread)
private
FForm: TCustomForm;
FXStrength: Integer;
FYStrength: Integer;
FPTArray: array [0..Max_PTCount - 1] of TPoint;
procedure InitPTArray;
procedure SetXStrength(const Value: Integer);
procedure SetYStrength(const Value: Integer);
protected
procedure Execute; override;
public
property Form: TCustomForm read FForm write FForm;
property XStrength: Integer read FXStrength write SetXStrength;
property YStrength: Integer read FYStrength write SetYStrength;
end;
procedure Shake(valForm: TCustomForm; valXStrength: Integer = 4; valYStrength:
Integer = 4);
implementation
uses Math;
procedure Shake(valForm: TCustomForm; valXStrength: Integer = 4; valYStrength:
Integer = 4);
begin
with TShakeThread.Create(True) do
begin
Form := valForm;
XStrength := valXStrength;
YStrength := valYStrength;
FreeOnTerminate := True;
Resume;
end;
end;
procedure TShakeThread.Execute;
var
I: Integer;
P: TPoint;
begin
InitPTArray;
P := Point(FForm.Left, FForm.Top);
for I := Max_PTCount - 1 downto 0 do
begin
SetWindowPos(FForm.Handle, 0, P.X + FPTArray[I].X,
P.Y + FPTArray[I].Y, 0, 0, SWP_NOSIZE or SWP_NOREPOSITION);
Sleep(20);
end;
end;
procedure TShakeThread.InitPTArray;
var
I: Integer;
function Sign(): Integer;
begin
Result := IfThen(RandomRange(0, 36635) mod 2 = 0, -1, 1);
end;
begin
Randomize;
for I := Max_PTCount - 1 downto 0 do
begin
FPTArray[i].X := Sign()*RandomRange(0, 36635) mod FXStrength*i div 10;
FPTArray[i].Y := Sign()*RandomRange(0, 36635) mod FYStrength*i div 10;
end;
end;
procedure TShakeThread.SetXStrength(const Value: Integer);
begin
if Value < 4 then
FXStrength := 4
else if Value > 20 then
FXStrength := 20
else
FXStrength := Value;
end;
procedure TShakeThread.SetYStrength(const Value: Integer);
begin
if Value < 4 then
FYStrength := 4
else if Value > 20 then
FYStrength := 20
else
FYStrength := Value;
end;
end.
【文件预览】：
ShakeWindow
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