SendMessage动作

TTreeView:(引用CommCtrl)SendMessage(TreeView.Handle,TVM_SETBKCOLOR,0,RGB(255,0,0)); 设置TV背景颜色SendMessage(Button.Handle,WM_LBUTTONDOWN,0,0);  鼠标左键按下SendMessage(Button.Handle,WM_LBUTTONUP,0,0);   鼠标左键抬起SendMessage(Edit.Handle,WM_SETTEXT,255,Integer(PChar('abc'))); 传递文本SendMessage(Edit.Handle,WM_Char,Wparam('Q'),2);  传递字符SendMessage(Button.Handle,BM_SETSTYLE,BS_RADIOBUTTON,1);  改变Button风格SendMessage(ComboBox.Handle,CB_SETDROPPEDWIDTH,300,0);  改变CBDownWidthWM_CUT、WM_COPY和WM_PASTE  剪切，复制，粘帖实现任意组合键keybd_event(VK_Control, MapVirtualKey(VK_Control, 0), 0, 0);keybd_event(ord('V'), MapVirtualKey(ord('V'), 0), 0, 0);keybd_event(ord('V'), MapVirtualKey(ord('V'), 0), KEYEVENTF_KEYUP, 0);keybd_event(VK_Control, MapVirtualKey(VK_Control, 0), KEYEVENTF_KEYUP, 0);