Mega Code Archive
Drawing Lines
<![CDATA[
[STAThreadAttribute]
int main(array<System::String ^> ^args)
{
Application::Run(gcnew Form1());
return 0;
}
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
using namespace System::Drawing::Drawing2D;
public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
pen = gcnew array<Pen^>(5);
// a one unit width black pen
pen[0] = Pens::Black;
// a one unit with purple pen broken with dashes
pen[1] = gcnew Pen(Color::Purple);
pen[1]->DashStyle = DashStyle::Dash;
// a 4 unit width chocolate pen
pen[2] = gcnew Pen(Color::Chocolate, 4);
// An 8 width royalblue pen made of three lines narrow wide narrow
pen[3] = gcnew Pen(Color::RoyalBlue, 10);
array<float>^ cArray = gcnew array<float> {
0.0f, 0.1f, 0.3f, 0.7f, 0.9f, 1.0f
};
pen[3]->CompoundArray = cArray;
// a 5 width tomato pen with diamond start and round end anchors
pen[4] = gcnew Pen(Color::Tomato, 5);
pen[4]->StartCap = LineCap::DiamondAnchor;
pen[4]->EndCap = LineCap::RoundAnchor;
}
array<Pen^>^ pen;
void InitializeComponent(void)
{
this->SuspendLayout();
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(292, 273);
this->Name = L"Form1";
this->Text = L"Drawing Some lines";
this->Paint +=
gcnew System::Windows::Forms::PaintEventHandler(this,
&Form1::Form1_Paint);
this->ResumeLayout(false);
}
private:
System::Void Form1_Paint(System::Object^ sender,
System::Windows::Forms::PaintEventArgs^ e)
{
Random ^rand = gcnew Random();
for (int i = 0; i < 10; i++)
{
e->Graphics->DrawLine(pen[i%5], rand->Next(0,299),
rand->Next(0,299), rand->Next(0,299), rand->Next(0,299));
}
}
};
]]>