vs2008向导生成的CLR工程编译无法通过的解决方法

vs2008向导生成的CLR工程编译无法通过的解决方法

在vs2008中，使用VC++生成CLR工程之后，在窗体上随便添加一个控件(可显示的，比如文本框、静态框等)，然后不做任何修改直接编译，但是编译不过。
在我的工程中，添加了两个控件，一个button，一个checkbox，InitializeComponent()中的相关代码如下：

void InitializeComponent(void) { this->button1 = (gcnew System::Windows::Forms::Button()); this->checkBox1 = (gcnew System::Windows::Forms::CheckBox()); // // button1 // this->button1->Location = (gcnew System::Drawing::Point(0, 0)); this->button1->Name = L"button1"; this->button1->Size = (gcnew System::Drawing::Size(75, 23)); this->button1->TabIndex = 0; this->button1->Text = L"button1"; this->button1->UseVisualStyleBackColor = true; // // checkBox1 // this->checkBox1->AutoSize = true; this->checkBox1->Location = (gcnew System::Drawing::Point(0, 0)); this->checkBox1->Name = L"checkBox1"; this->checkBox1->Size = (gcnew System::Drawing::Size(104, 24)); this->checkBox1->TabIndex = 0; this->checkBox1->Text = L"checkBox1"; this->checkBox1->UseVisualStyleBackColor = true; ... ... }

编译会有以下错误输出：

1>f:/exp/vs2008/project1/goWinService.h(79) : error C2039: 'Point' : is not a member of 'System::Drawing' 1>f:/exp/vs2008/project1/goWinService.h(79) : error C2061: syntax error : identifier 'Point' 1>f:/exp/vs2008/project1/goWinService.h(79) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(79) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(81) : error C2039: 'Size' : is not a member of 'System::Drawing' 1>f:/exp/vs2008/project1/goWinService.h(81) : error C2061: syntax error : identifier 'Size' 1>f:/exp/vs2008/project1/goWinService.h(81) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(81) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(89) : error C2039: 'Point' : is not a member of 'System::Drawing' 1>f:/exp/vs2008/project1/goWinService.h(89) : error C2061: syntax error : identifier 'Point' 1>f:/exp/vs2008/project1/goWinService.h(89) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(89) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(91) : error C2039: 'Size' : is not a member of 'System::Drawing' 1>f:/exp/vs2008/project1/goWinService.h(91) : error C2061: syntax error : identifier 'Size' 1>f:/exp/vs2008/project1/goWinService.h(91) : error C2143: syntax error : missing ';' before ')' 1>f:/exp/vs2008/project1/goWinService.h(91) : error C2143: syntax error : missing ';' before ')'

这个错误表明，Point和Size都不是System::Drawing的成员，手动在System::Drawing的后面添加“::”，结果的确只是出现了Design成员，没有其它任何成员，有点奇怪，然后上网上找，在msdn的论坛中找到了解决方法：
打开工程属性框，然后在Common Properties -> Framework and References中，在右侧的References添加新的引用，即从Add New Reference...弹出的对话框中，在.Net选项卡中选择System.Drawing，然后点确定添加进来即可。但是再编译时，又出现问题：

1>f:/exp/vs2008/project1/goWinService.h(79) : error C2664: 'System::Windows::Forms::Control::Location::set' : cannot convert parameter 1 from 'System::Drawing::Point ^' to 'System::Drawing::Point' 1> No user-defined-conversion operator available, or 1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called 1>f:/exp/vs2008/project1/goWinService.h(81) : error C2664: 'System::Windows::Forms::Control::Size::set' : cannot convert parameter 1 from 'System::Drawing::Size ^' to 'System::Drawing::Size' 1> No user-defined-conversion operator available, or 1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called 1>f:/exp/vs2008/project1/goWinService.h(89) : error C2664: 'System::Windows::Forms::Control::Location::set' : cannot convert parameter 1 from 'System::Drawing::Point ^' to 'System::Drawing::Point' 1> No user-defined-conversion operator available, or 1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called 1>f:/exp/vs2008/project1/goWinService.h(91) : error C2664: 'System::Windows::Forms::Control::Size::set' : cannot convert parameter 1 from 'System::Drawing::Size ^' to 'System::Drawing::Size' 1> No user-defined-conversion operator available, or 1> No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called

然后还是在刚才的贴子中，说明了问题所在，直接在InitializeComponent()中把对应行的gcnew去掉即可，修改后如下：

void InitializeComponent(void) { this->button1 = (gcnew System::Windows::Forms::Button()); this->checkBox1 = (gcnew System::Windows::Forms::CheckBox()); // // button1 // this->button1->Location = (System::Drawing::Point(0, 0)); // 去掉了gcnew this->button1->Name = L"button1"; this->button1->Size = (System::Drawing::Size(75, 23)); // 去掉了gcnew this->button1->TabIndex = 0; this->button1->Text = L"button1"; this->button1->UseVisualStyleBackColor = true; // // checkBox1 // this->checkBox1->AutoSize = true; this->checkBox1->Location = (System::Drawing::Point(0, 0)); // 去掉了gcnew this->checkBox1->Name = L"checkBox1"; this->checkBox1->Size = (System::Drawing::Size(104, 24)); // 去掉了gcnew this->checkBox1->TabIndex = 0; this->checkBox1->Text = L"checkBox1"; this->checkBox1->UseVisualStyleBackColor = true; ... ... }

再次编译，通过！
msdn的贴子网址：http://social.msdn.microsoft.com/Forums/en-US/Vsexpressvc/thread/3fe34263-2766-47a5-a8eb-f7581fcbef91/
如果网址无法打开，则在msdn中搜索字符串“'Point' : is not a member of 'System::Drawing'”，这个贴子的名称是：Still having trouble with custom controls