DelphiXE8FMX工程实现无边框托动(发送消息)

1.引用单元

uses Winapi.Windows, FMX.Platform.Win, Winapi.Messages;

2.发送消息

//发送系统消息
SendMessage(FmxHandleToHwnd(Handle), WM_SYSCOMMAND,SC_MOVE + HTCAPTION, 0);

网上说要用ReleaseCapture()，我没有用也可以，没细看为什么。

我看了一下ReleaseCapture()与StartWindowDrag，其实都是取坐标用的。

3.实例代码

 unit Unit1;

 interface

 uses
   System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
   FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.Objects;

 type
   TForm1 = class(TForm)
     Image1: TImage;
     procedure Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
       Y: Single);
     procedure FormShow(Sender: TObject);
   private
     { Private declarations }
   public
     { Public declarations }
   end;

 var
   Form1: TForm1;

 implementation
 uses Winapi.Windows, FMX.Platform.Win, Winapi.Messages;
 {$R *.fmx}

 procedure TForm1.FormShow(Sender: TObject);
 begin
   Self.BorderStyle := TFmxFormBorderStyle.None; //窗体样式
   Image1.WrapMode := TImageWrapMode.Stretch; //图片加载方式
 end;

 procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
   Y: Single);
 begin
   //发送系统消息
   SendMessage(FmxHandleToHwnd(Handle), WM_SYSCOMMAND,SC_MOVE + HTCAPTION, );
 end;

 end.