在Delphi中,“invalid variant operation”错误通常与Variant类型的使用有关。Variant类型是一种可以存储多种数据类型(如整数、浮点数、字符串等)的特殊数据类型。以下是对该错误的详细解答: 1. 解释“invalid variant operation”错误在Delphi中的含义 “invalid variant operat
221 Invalid variant operation EVariantError 222 No variant method call dispatcher EVariantError 223 Cannot create variant array EVariantError 224 Variant does not contain array EVariantError 225 Variant array bounds error EVariantError 226 TLS initialization error No exception to map to. 227 Assertion...
Invalid compiler directive: ”→ 无效的编译指令 Invalid function result type → 无效的函数值类型 Invalid message parameter list →无效的消息参数列表 Invalid register combination →无效的寄存器组合 Invalid typecast → 无效的TYPECASE Label ” is not declared in current procedure →在当前的过程中没有说明...
on E: EInvalidOperation do MessageDlg('Ignoring Exception:'+E.Message, mtInformation,[mbOK],0); end; end; 12.3.2 提供缺省响应 在异常响应模块中,一般我们只对希望响应的特定异常进行处理。如果一个异常发生而响应模块并没有包含对它的处理代码,则退出当前响应模块,异常类仍被保留。 为了保证任何异常发生...
Overflow in conversion or arithmetic operation 转换或算术操作溢出 Overriding automated virtual method '' cannot specify a dispid 覆盖的自动虚拟方法不能指定 DISPID PACKED not allowed here 这里不允许PACKED Pointer type required 需要指针类型 Procedure cannot have a result type 过程不能有结果类型 ...
Missing parameter required for the method, function, or procedure. Unknown error DelphiScript has detected an unknown script error that is not defined in the internal errors table. Invalid operation code DelphiScript has detected an invalid operation code. 中文(简体) 适合打印版本注...
or arithmetic operation转换或算术操作溢出Overriding automated virtual method '<name' cannot specify a dispid 覆盖的自动虚拟方法<NAME>不能指定DISPIDPACKED not allowed here 这里不允许PACKED type required 需要指针类型Procedurecannot have a result type 过程不有结果类型Procedure DISPOSE needs destructor...
Exception class EVariantTypeCastError with message 'Could not convert variant of type (Null) into type (Integer)' DPH.18: Exception class EOleException with message 'Application uses a value of the wrong type for the current operation'. DPH.19: E2029 Statement expected but 'TYPE' found ...
Overflow in conversion or arithmetic operation 转换或算术操作溢出 Overriding automated virtual method <name> cannot specify a dispid 覆盖的自动虚拟方法<NAME>不能指定DISPID ghmbright 核心吧友 7 PACKED not allowed here 这里不允许PACKED Pointer type required 需要指针类型 Procedure cannot have a result...
Invalid operation code Delphi Script has detected an invalid operation code. TR0120 (v1.0) December 01, 2004 23 Delphi Script Reference DelphiScript Keywords The scripting system supports the DelphiScript language which is very similar to Borland Delphi (TM)'s Object Pascal language. The key ...