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标题: 简单自画菜单效果 [打印本页]
作者: kmusttywyc    时间: 2004-9-30 19:33
标题: 简单自画菜单效果
<>//---------------------------------------------------------------------------% d/ t$ p3 L, _7 B2 b) r7 x. V
#include &lt;vcl.h&gt;
7 J2 B" @1 O( m& r2 |2 i2 N4 G! {- d" R#pragma hdrstop</P>* ^  t, q, H$ r9 f7 q
<>#include "Unit1.h"# l; C! m" z8 |* w5 o6 r, H' d
//---------------------------------------------------------------------------0 t2 Q4 b. y; D  t8 V
#pragma package(smart_init)
3 K7 D* ~) ?6 `, B#pragma resource "*.dfm"
9 e3 @1 s+ g* q( XTForm1 *Form1;</P>  |) }. Y- u# s3 m% u% ?
<>Graphics::TBitmap *bmp;                     
5 r) T# b/ M, F. c3 o& R//---------------------------------------------------------------------------
) ~  k+ z' ?' a' {& ^__fastcall TForm1::TForm1(TComponent* Owner)7 k( c9 m8 T" J  d0 Y
    : TForm(Owner)
/ t2 B/ t8 t" n$ \* ]{# K& B- W$ V% I' ]8 D0 f/ m+ K1 n
    bmp = new Graphics::TBitmap;           9 O( B; R6 [1 q* d" k
    bmp-&gt;LoadFromFile("Bar.bmp");          7 O% L9 i& R7 ^, r
}
7 O: _4 x: @( ^2 c1 \. S4 N- D5 x//---------------------------------------------------------------------------# x% ~. p( G' n* ~
void __fastcall TForm1::BarItemMeasureItem(TObject *Sender,5 b6 }7 b5 W9 i5 I3 ]0 b7 k& ~$ m
      TCanvas *ACanvas, int &amp;Width, int &amp;Height), e! ~1 n- s1 q
{* Y; b8 w5 z$ K" E, i+ L! E
    Width += 2;                     </P>8 ?; f, B) U" L  S& Z, r  U
<>  Height *= BarItem-&gtarent-&gt;Count - 1;   1 s. `4 p5 ]( G2 P7 ~
}
- ~3 ~: V# J% @# o8 _0 b7 j//---------------------------------------------------------------------------
7 h& Y6 q* z- ?' p: j. x" nvoid __fastcall TForm1::BarItemDrawItem(TObject *Sender, TCanvas *ACanvas,
9 K9 }! h" a+ n. R      TRect &amp;ARect, bool Selected)/ q, o- ~9 J# j& g9 A
{% x0 U$ o7 e  `
    ACanvas-&gt;Draw(0, 0, bmp);               3 w' {( Y3 E$ d' S$ i' `; D) Y
}! p5 M0 N/ b+ D* R! y9 o
//---------------------------------------------------------------------------, I8 `$ b3 V- f6 f5 Q; s- E
void __fastcall TForm1::FormDestroy(TObject *Sender): C2 ?3 y. K" ^* `2 c0 P  _
{
- c, b* |) Y  D6 x* y* P    delete bmp;                            " r4 R5 f3 Z& {, q
}
) L" |2 c8 @# `: U' H! B: D3 e: x//---------------------------------------------------------------------------</P>



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