TreeView的问题为什么我点击+号的时候也弹出“基本信息设置”的信息?
怎么只让点击“基本信息设置”才弹出“基本信息设置”的信息?
怎么让点击一个节点后在右边显示新的页面?难道要一直这样写判断(如果节点很多不是要写死人?):
procedure TForm6.TreeView1Click(Sender: TObject);
begin
if TreeView1.Selected.Text='基本信息设置' then
ShowMessage('TreeView:'+TreeView1.Selected.Text);
if TreeView1.Selected.Text='员工信息' then
ShowMessage('TreeView:'+TreeView1.Selected.Text);
end;
怎么只让点击“基本信息设置”才弹出“基本信息设置”的信息?
怎么让点击一个节点后在右边显示新的页面?难道要一直这样写判断(如果节点很多不是要写死人?):
procedure TForm6.TreeView1Click(Sender: TObject);
begin
if TreeView1.Selected.Text='基本信息设置' then
ShowMessage('TreeView:'+TreeView1.Selected.Text);
if TreeView1.Selected.Text='员工信息' then
ShowMessage('TreeView:'+TreeView1.Selected.Text);
end;
MyHitTest : THitTests;
begin
MyHitTest := TreeView1.GetHitTestInfoAt(X,Y);
if htOnItem in MyHitTest then
begin
//your code
end
end;
是当前鼠标坐标
Mouse.CursorPos.X Mouse.CursorPos.Y
var
MyHitTest:THitTests;
begin
MyHitTest:=TreeView1.GetHitTestInfoAt(Mouse.CursorPos.X,Mouse.CursorPos.Y);
if htOnItem in MyHitTest then
begin
ShowMessage('节点的索引号:'+inttostr(TreeView1.Selected.Index));
end
end;这样写点击后怎么没反映?
var
MyHitTest:THitTests;
tp:TPoint;
begin
tp:=TreeView1.ScreenToClient(mouse.CursorPos);
MyHitTest:=TreeView1.GetHitTestInfoAt(tp.X,tp.Y);
if htOnItem in MyHitTest then
begin
ShowMessage('节点的索引号:'+inttostr(TreeView1.Selected.Index));
end
end;
不好意思
以前的我在MouseDown里面写的
Click写的如上图标的的如下
if htOnIcon in MyHitTest then